import java.util.Scanner;

class Dog{
    public String name;
    public String color;
    public int age;

    public void bark(){
        System.out.println(age + "岁的" + color + name + "一直在狗叫");
    }

    public void createDog(int age,String name,String color){
        this.name = name;
        this.age = age;
        this.color = color;
    }

    public static void main(String[] args) {
        Dog dog = new Dog();
        dog.createDog(11,"初一","黄色");
        dog.bark();
        Dog dog2 = new Dog();
        dog2.createDog(12,"初二","緑色");
        dog2.bark();
    }
}


class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}

class Sub extends Base {

    private int z;

    public Sub(int x, int y, int z) {
        super(x,y);
        this.z = z;
    }

    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

}
public class Test {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            int z = scanner.nextInt();
            Sub sub = new Sub(x, y, z);
            System.out.println(sub.calculate());
        }
    }
    public static void main2(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }
}
class Data {

    private int x;
    private int y;

    public Data(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}
